4.0 (4.0672512) seconds in the 40-yard dash.
One-tenth of a second is called a "decisecond" (not to be confused with ten seconds which is called a "decasecond") However, in common parlance, simply saying "tenth of a second" is considered quite acceptable for nearly all applications.Example: "She ran the 40 meter dash in four seconds and 3 deciseconds."
A 4.48 40 equates to a time of 12.248 seconds for the 100m
3.5 seconds in the 30 yard dash equals 17.53 miles per hour.
Oh, dude, a 4.3 40-yard dash? That's like lightning speed, man! You're covering 40 yards in just 4.3 seconds, which means you're booking it at about 9.3 meters per second. So yeah, you're basically the Flash out there on the football field.
11.99 seconds because 100 yard dash is 91 meters. 100 meters/91 meters = 1.09 Then do 11 seconds x 1.09 = 11.99 seconds. If you round it, you basically be getting a 12 second 100 meter dash.
Roughly 10 meters a second. He has the world record of 9.49 seconds for the 100 meter dash.
10.7 100 meter dash = 9.78 100 yards
A 12.5-second 100m equates to a time of 4.572 seconds in the 40-yard dash.
speeds like mph are distance divided by time. So divide 100 meters by the dash time to get a speed. Then convert units to miles per hour. Or convert before you divide, meters to miles and dash time to hours.
(100 meters/16 seconds) x (3,600 seconds/hour) x (1 mile/1,609.344 meters) = 13.981 mph(rounded)
9.7 seconds for 100 meters.
Oh, dude, you're hitting me with the conversions now? Alright, alright. So, a 9.5-second 100-yard dash is approximately equivalent to a 10.97-second 100-meter dash. But hey, who's really counting, right? Like, just run fast and hope for the best.
When Johnson broke the world record for the 200 meter dash at the Summer Olympics in Atlanta in 1996, he ran the first 100 meters in 10.12 seconds. As incredible as it may sound, he ran the second 100 meters in 9.19 seconds which, as of October 15, 2007, is .55 seconds below the world record in the 100 meter dash. Historians have compared that run with the long jump of Bob Beamon in the 1968 Summer Olympics in Mexico City where he broke the existing world record by 21 3/4 inches or .55 meters. He had a running start for the second 100.
A 220 yard dash time of 21.80 seconds translates to a time of 21.67 seconds for 200 meters.
It would convert to 10.5 seconds for 100 meters.
9.58 seconds in the 100-meter equates to a time of 8.76(8.759952) seconds for 100 yards.